CN100451643C - Magnetic powder concentration sensor for magnetic suspension - Google Patents
Magnetic powder concentration sensor for magnetic suspension Download PDFInfo
- Publication number
- CN100451643C CN100451643C CNB2005100410492A CN200510041049A CN100451643C CN 100451643 C CN100451643 C CN 100451643C CN B2005100410492 A CNB2005100410492 A CN B2005100410492A CN 200510041049 A CN200510041049 A CN 200510041049A CN 100451643 C CN100451643 C CN 100451643C
- Authority
- CN
- China
- Prior art keywords
- magnetic
- telefault
- loop
- concentration sensor
- powder concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 11
- 239000000725 suspension Substances 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000006249 magnetic particle Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 230000001427 coherent effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100410492A CN100451643C (en) | 2005-07-15 | 2005-07-15 | Magnetic powder concentration sensor for magnetic suspension |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100410492A CN100451643C (en) | 2005-07-15 | 2005-07-15 | Magnetic powder concentration sensor for magnetic suspension |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1712949A CN1712949A (en) | 2005-12-28 |
CN100451643C true CN100451643C (en) | 2009-01-14 |
Family
ID=35718653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100410492A Expired - Fee Related CN100451643C (en) | 2005-07-15 | 2005-07-15 | Magnetic powder concentration sensor for magnetic suspension |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100451643C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102830156A (en) * | 2012-08-31 | 2012-12-19 | 爱德森(厦门)电子有限公司 | On-line dynamic real-time monitoring method and apparatus for magnetic suspension concentration |
CN104898717B (en) * | 2014-03-05 | 2018-02-23 | 射阳县智能探伤设备有限公司 | Particle content intelligent controlling device |
CN105527337A (en) * | 2014-09-28 | 2016-04-27 | 宝山钢铁股份有限公司 | Measurement apparatus and measurement method for magnetic suspension concentration |
CN105987890B (en) * | 2015-02-13 | 2018-12-07 | 宝山钢铁股份有限公司 | Particle content evaluation method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85103661A (en) * | 1985-05-18 | 1986-04-10 | 西安交通大学 | The Particle content determinator |
CN87104905A (en) * | 1987-07-15 | 1988-04-13 | 国营重庆重型铸锻厂 | Portable compound magnetizer for magnetic particle inspection |
US5315243A (en) * | 1992-04-06 | 1994-05-24 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Detection and discrimination between ferromagnetic and non-ferromagnetic conductive particles in a fluid |
US5537037A (en) * | 1993-03-16 | 1996-07-16 | Hitachi, Ltd. | Apparatus with cancel coil assembly for cancelling a field parallel to an axial direction to the plural coils and to a squid pick up coil |
CN1159582A (en) * | 1995-11-10 | 1997-09-17 | 新宇宙电机株式会社 | Method of determining magnetic powder concentration and apparatus use for method |
CN2809639Y (en) * | 2005-07-15 | 2006-08-23 | 曾德文 | Magnetic powder concentration sensor for magnetic suspension |
-
2005
- 2005-07-15 CN CNB2005100410492A patent/CN100451643C/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85103661A (en) * | 1985-05-18 | 1986-04-10 | 西安交通大学 | The Particle content determinator |
CN87104905A (en) * | 1987-07-15 | 1988-04-13 | 国营重庆重型铸锻厂 | Portable compound magnetizer for magnetic particle inspection |
US5315243A (en) * | 1992-04-06 | 1994-05-24 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Detection and discrimination between ferromagnetic and non-ferromagnetic conductive particles in a fluid |
US5537037A (en) * | 1993-03-16 | 1996-07-16 | Hitachi, Ltd. | Apparatus with cancel coil assembly for cancelling a field parallel to an axial direction to the plural coils and to a squid pick up coil |
CN1159582A (en) * | 1995-11-10 | 1997-09-17 | 新宇宙电机株式会社 | Method of determining magnetic powder concentration and apparatus use for method |
CN2809639Y (en) * | 2005-07-15 | 2006-08-23 | 曾德文 | Magnetic powder concentration sensor for magnetic suspension |
Non-Patent Citations (1)
Title |
---|
新型线圈磁化法在铁路整体车轮磁粉检测中的应用. 赵俊.无损探伤,第27卷第6期. 2003 * |
Also Published As
Publication number | Publication date |
---|---|
CN1712949A (en) | 2005-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101545958B (en) | Bidirectional magnetic saturated time difference fluxgate sensor | |
CN100451643C (en) | Magnetic powder concentration sensor for magnetic suspension | |
CN103376136B (en) | The self-diagnosing method in electromagnetic flowmeter and field circuit portion thereof | |
CN103760222A (en) | Mining steel wire rope online detection device and method based on giant magnetoresistance sensor array | |
CN101198840A (en) | Magnetic induced flow measuring device | |
CN105717191A (en) | Detection method and device for magnetic Barkhausen noise signal and magnetic parameters | |
DE102013112373A1 (en) | Method for operating a magneto-inductive measuring device | |
CN104833720A (en) | Method for single-coil electromagnetic resonance detection of metal pipeline damage | |
CN2809639Y (en) | Magnetic powder concentration sensor for magnetic suspension | |
CN106371039A (en) | Common-mode noise inhibition device and method of time difference type flux gate sensor | |
CN113252960A (en) | External magnetic field interference suppression method suitable for direct-current power distribution network current sensor | |
CN101311714A (en) | High-sensitivity vortex flow dot type probe | |
CN101956549B (en) | Electromagnetic focusing sleeve screw thread logging instrument | |
CN105814411B (en) | Magnetic induction type flow measuring system | |
CN111699367B (en) | Method for operating a magnetically inductive flow meter | |
CN112161560B (en) | Displacement sensing device and method based on permanent magnet flux measurement | |
Liu et al. | The Research of 30 mm detecting distance of testing device for wire rope based on Open magnetizer | |
CN205049594U (en) | Velocity of water flow measuring device | |
CN111443127A (en) | Nondestructive testing sensor based on weak magnetic principle and measuring method thereof | |
CN104956190B (en) | So that the method for magnetic induction flowmeter work | |
CN201081746Y (en) | Magnetoelectric vortex shedding flow meter | |
CN100545589C (en) | Be used to measure the method and the special-purpose acoustic resistance flowmeter thereof of fluid flow | |
CN210005478U (en) | vortex and leakage flux based body type in-pipeline detector sensor module | |
CN101363749B (en) | Method for demarcating sensor coefficient of large caliber electrical flow meter | |
CN208736494U (en) | A kind of gas precession vortex meter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Dongdian Testing Equipment Co., Ltd. Assignor: Zeng Dewen Contract record no.: 2011320000146 Denomination of invention: Magnetic powder concentration sensor of magnetic suspension Granted publication date: 20090114 License type: Exclusive License Open date: 20051228 Record date: 20110303 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20110715 |